Home / 26,874.41-40,315.05-8,856.60

Finding the Fourth Proportional to 26,874.41, 40,315.05 and 8,856.60

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Solution

The fourth proportional to 26,874.41, 40,315.05 and 8,856.60 is: 13,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.41 : 40,315.05 = 8,856.60 : x
  2. Step 2: Convert to fraction form
    26,874.41/40,315.05 = 8,856.60/x
  3. Step 3: Cross multiply
    26,874.41x = 40,315.05 × 8,856.60
  4. Step 4: Simplify right side
    26,874.41x = 357,054,120.65
  5. Step 5: Solve for x
    x = 357,054,120.65/26,874.41
  6. Step 6: Final answer
    x = 13,286.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.